Yii Application Requirement Checker

Description

This script checks if your server configuration meets the requirements
for running Yii application.
It checks if the server is running the right version of PHP,
if appropriate PHP extensions have been loaded, and if php.ini file settings are correct.

There are two kinds of requirements being checked. Mandatory requirements are those that have to be met
to allow Yii to work as expected. There are also some optional requirements being checked which will
show you a warning when they do not meet. You can use Yii framework without them but some specific
functionality may be not available in this case.

Conclusion

Your server configuration satisfies the minimum requirements by this application.Please pay attention to the warnings listed below and check if your application will use the corresponding features.

PHP Intl extension 1.0.2 or higher is required when you want to use advanced parameters formatting
in Yii::t(), non-latin languages with Inflector::slug(),
IDN-feature of
EmailValidator or UrlValidator or the yii\i18n\Formatter class.

ICU 49.0 or higher is required when you want to use # placeholder in plural rules
(for example, plural in
Formatter::asRelativeTime()) in the yii\i18n\Formatter class. Your current ICU version is 4.2.1.

ICU Data 49.1 or higher is required when you want to use # placeholder in plural rules
(for example, plural in
Formatter::asRelativeTime()) in the yii\i18n\Formatter class. Your current ICU Data version is (ICU Data is missing).